CN211069213U

CN211069213U - Filter equipment for chemical analysis experiments

Info

Publication number: CN211069213U
Application number: CN201922001927.8U
Authority: CN
Inventors: 赵明宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-24
Anticipated expiration: 2029-11-19

Abstract

A filtering device for chemical analysis experiments relates to the technical field of chemical test instruments; the upper end an organic whole of chimney filter is connected with into liquid fill, the bottom periphery of chimney filter is fixed with the seat circle, the below of seat circle is provided with the filter head, the upper end periphery of filter head is fixed with the top circle, be provided with the millipore filtration membrane between seat circle and the top circle, the seat circle passes through the fixation clamp with the top circle and fixes, the lateral wall of filter head is connected with the gas outlet, it has the receiving flask to peg graft in the bottom of filter head, one side of receiving flask is provided with the pump bowl, be provided with the piston in the pump bowl, be fixed with the piston rod on the piston, the upper end of piston rod is fixed with the pressure head, the outside cover of piston rod is equipped with the spring, the upper end of pump bowl. Chemical analysis filter equipment for experiments, need not the vacuum pump, need not external power supply, be favorable to the convenience of experiment operation, the utility model has the advantages of simple structure, set up reasonable, the cost of manufacture low.

Description

Filter equipment for chemical analysis experiments

Technical Field

The utility model relates to a chemistry test instrument technical field, concretely relates to filter equipment for chemical analysis experiments.

Background

The filter is used in laboratory, is suitable for water quality testing of oceans, rivers, lakes and the like, is also suitable for scientific research units, and is mainly used for filtering HP L C mobile phase and has a certain degassing function so as to ensure the cleanness of the mobile phase and prevent the blockage of HP L C liquid path.

The collecting bottle of current chemistry experiment room filter equipment adopts the vacuum pump to carry out the evacuation, makes it have the negative pressure, therefore initiatively pumps and filters experiment solution, and the vacuum pump is heavier, is not convenient for remove and carry, and the vacuum pump needs external power supply moreover, is unfavorable for the convenience of experiment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, reasonable in design, convenient to use's filter equipment for chemical analysis experiments to prior art's defect and not enough.

In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a filter tube, a liquid inlet hopper, a seat ring, a filter head, a top ring, a microporous filter membrane, a fixing clamp, an air outlet, a collecting bottle, an air extracting cylinder, a piston rod, a pressure head, a spring, an air extracting opening, an air outlet and a connecting pipe; the utility model discloses a filter cartridge, including the chimney, the upper end of chimney, the bottom periphery of chimney is fixed with the seat circle, the upper end periphery of chimney is fixed with the top circle, be provided with millipore filtration between seat circle and the top circle, the seat circle passes through the fixation clamp with the top circle to be fixed, the lateral wall of chimney is connected with the gas outlet, it has the receiving flask to peg graft in the bottom of chimney, one side of receiving flask is provided with the pump bowl, be provided with the piston in the pump bowl, be fixed with the piston rod on the piston, the upper end of piston rod is fixed with the pressure head, the outside cover of piston rod is equipped with the spring, the upper.

Furthermore, the outer wall of the filter tube is provided with a scale layer.

Furthermore, a rubber ring is fixed on the upper surface of the top ring.

Furthermore, one end of the fixing clamp is provided with an arc opening.

Furthermore, the upper end of the collecting bottle is provided with a conical opening, and the conical opening is inserted with the bottom of the filter head.

Furthermore, a base is fixed at the bottom of the air pumping cylinder, and a handle is connected to the side wall of the air pumping cylinder.

The utility model discloses a theory of operation does: the liquid to be filtered is poured into the filter tube from the liquid inlet hopper, the pressure head is pressed, the piston rod drives the piston to move downwards along the inner wall of the air pump cylinder, at the moment, the space above the piston is enlarged, the pressure is reduced, the air in the filter head and the collecting bottle is forced to enter the air pump cylinder by pressure difference, negative pressure is formed in the filter head and the collecting bottle, and therefore the liquid in the filter tube is sucked into the collecting bottle for collection after being filtered by the microporous filter membrane; after the filtration is finished, the pressure head is loosened, the piston returns to the upper end position in the air suction cylinder under the action of the spring, and the next operation is prepared.

After the structure is adopted, the utility model discloses the beneficial effect who produces does: chemical analysis filter equipment for experiments, need not the vacuum pump, need not external power supply, be favorable to the convenience of experiment operation, the utility model has the advantages of simple structure, set up reasonable, the cost of manufacture low.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a structural view of the filter tube of the present invention;

FIG. 3 is a structural diagram of the microporous filter membrane of the present invention;

FIG. 4 is a structural diagram of the filter head of the present invention;

FIG. 5 is a view of the structure of the collection bottle of the present invention;

fig. 6 is a top view of the mounting clip of fig. 1.

Description of reference numerals:

the device comprises a filter tube 1, a liquid inlet hopper 2, a seat ring 3, a filter head 4, a top ring 5, a microporous filter membrane 6, a fixing clamp 7, an air outlet 8, a collecting bottle 9, an air pumping cylinder 10, a piston 11, a piston rod 12, a pressure head 13, a spring 14, an air pumping port 15, an air outlet 16, a connecting tube 17, a scale layer 18, a rubber ring 19, an arc opening 20, a conical port 21, a base 22 and a handle 23.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Referring to fig. 1 to fig. 6, the following technical solutions are adopted in the present embodiment: the device comprises a filter tube 1, a liquid inlet hopper 2, a seat ring 3, a filter head 4, a top ring 5, a microporous filter membrane 6, a fixing clamp 7, an air outlet 8, a collecting bottle 9, an air pumping cylinder 10, a piston 11, a piston rod 12, a pressure head 13, a spring 14, an air pumping port 15, an air outlet 16 and a connecting tube 17; the upper end of the filter tube 1 is integrally connected with a liquid inlet hopper 2, the periphery of the bottom of the filter tube 1 is fixed with a seat ring 3, a filter head 4 is arranged below the seat ring 3, the periphery of the upper end of the filter head 4 is fixed with a top ring 5, a microporous filter membrane 6 is arranged between the seat ring 3 and the top ring 5, the seat ring 3 and the top ring 5 are fixed through a fixing clamp 7, the side wall of the filter head 4 is connected with a gas outlet 8, the bottom of the filter head 4 is spliced with a collecting bottle 9, one side of the collecting bottle 9 is provided with an air suction cylinder 10, a piston 11 is arranged in the air suction cylinder 10, a piston rod 12 is fixed on the piston 11, a pressure head 13 is fixed at the upper end of the piston rod 12, a spring 14 is sleeved outside the piston rod 12, the upper end of the air suction cylinder 10 is connected with an air suction opening 15, the lower end of the air suction cylinder 10 is connected with a, the piston rod 12 drives the piston 11 to move downwards along the inner wall of the air suction cylinder 10, at the moment, the space above the piston 11 is enlarged, the pressure is reduced, the air in the filter head 4 and the collection bottle 9 is forced to enter the air suction cylinder 10 by pressure difference, negative pressure is formed in the filter head 4 and the collection bottle 9, and therefore liquid in the filter tube 1 is sucked into the collection bottle 9 for collection after being filtered by the microporous filter membrane 6; after the filtration is finished, the pressure head 13 is released, and the piston 11 returns to the upper end position in the air suction cylinder 10 under the action of the spring 14 to prepare for the next operation.

The outer wall of the filter tube 1 is provided with a scale layer 18, so that a certain amount of solution can be filtered conveniently.

The upper surface of the top ring 5 is fixed with a rubber ring 19 which is used between the seat ring 3 and the top ring 5, thereby not only preventing the abrasion between the seat ring and the top ring, but also playing a role in sealing.

One end of the fixing clamp 7 is provided with an arc opening 20 for inserting the tube wall of the filter tube 1 above the seat ring 3 and the wall of the filter head 4 below the top ring 5 into the arc opening 20.

The upper end of the collecting bottle 9 is provided with a conical opening 21, the conical opening 21 is inserted into the bottom of the filter head 4, and the conical shape can be tightly inserted.

The bottom of the air extracting cylinder 10 is fixed with a base 22, and the side wall of the air extracting cylinder 10 is connected with a handle 23 for moving an air extracting device at the right end of the connecting pipe 17, and the air extracting device and the connecting pipe 17 can be used in a plug-and-play mode during use.

After adopting above-mentioned structure, this embodiment produces beneficial effect does: this embodiment filter equipment for chemical analysis experiments need not the vacuum pump, need not external power supply, is favorable to the convenience of experiment operation, this embodiment has simple structure, sets up reasonable, cost of manufacture low grade advantage.

The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Filter equipment for chemical analysis experiments, its characterized in that: the device comprises a filter tube, a liquid inlet hopper, a seat ring, a filter head, a top ring, a microporous filter membrane, a fixing clamp, an air outlet, a collecting bottle, an air extracting cylinder, a piston rod, a pressure head, a spring, an air extracting opening, an air outlet and a connecting pipe; the utility model discloses a filter cartridge, including the chimney, the upper end of chimney, the bottom periphery of chimney is fixed with the seat circle, the upper end periphery of chimney is fixed with the top circle, be provided with millipore filtration between seat circle and the top circle, the seat circle passes through the fixation clamp with the top circle to be fixed, the lateral wall of chimney is connected with the gas outlet, it has the receiving flask to peg graft in the bottom of chimney, one side of receiving flask is provided with the pump bowl, be provided with the piston in the pump bowl, be fixed with the piston rod on the piston, the upper end of piston rod is fixed with the pressure head, the outside cover of piston rod is equipped with the spring, the upper.

2. The filter device for chemical analysis experiments according to claim 1, wherein: the outer wall of the filter tube is provided with a scale layer.

3. The filter device for chemical analysis experiments according to claim 1, wherein: and a rubber ring is fixed on the upper surface of the top ring.

4. The filter device for chemical analysis experiments according to claim 1, wherein: one end of the fixing clamp is provided with an arc opening.

5. The filter device for chemical analysis experiments according to claim 1, wherein: the upper end of the collecting bottle is provided with a conical opening, and the conical opening is inserted with the bottom of the filter head.

6. The filter device for chemical analysis experiments according to claim 1, wherein: the bottom of the air pump is fixed with a base, and the side wall of the air pump is connected with a handle.